Niemi, A. W. (1978). Occupational/Educational Discrimination Against Black Males.Journal of Black Studies, 9(1), 87-92.
This article details occupational differences between black and white males, and it develops a measure of racial discrimination that analyzes the relative ability of blacks and whites to find occupations commensurate with their education.
Full article can be found here:
http://journals.sagepub.com/doi/abs/10.1177/002193477800900105